Multi-Award Winning - Double-Feature Baby Mirror - Wimmer-Ferguson. Double-Feature is a two-sided developmental toy designed to stimulate baby's visual curiosity. One side is an unbreakable, hard-coated polycarbonate mirror ... the other is an array of developmentally appropriate black and white graphics in graduated complexity. Developmental Value: Encourages visual activity (scanning, focusing, tracking, orienting) and sense of self. Used in hospitals and NICU's. Age Appropriate: Birth to 24 months + * Double-Feature Baby Mirror - Wimmer-Ferguson.